diff --git a/_data/rules.yml b/_data/rules.yml
index b415b76..4491190 100644
--- a/_data/rules.yml
+++ b/_data/rules.yml
@@ -538,6 +538,10 @@ groups:
           - name: percona/mongodb_exporter
             doc_url: https://github.com/percona/mongodb_exporter
             rules:
+              - name: MongoDB Down
+                description: MongoDB instance is down
+                query: 'mongodb_up == 0'
+                severity: critical
               - name: MongoDB replication lag
                 description: Mongodb replication lag is more than 10s
                 query: 'avg(mongodb_mongod_replset_member_optime_date{state="PRIMARY"}) - avg(mongodb_mongod_replset_member_optime_date{state="SECONDARY"})  > 10'
@@ -546,26 +550,6 @@ groups:
                 description: MongoDB replication headroom is <= 0
                 query: '(avg(mongodb_mongod_replset_oplog_tail_timestamp - mongodb_mongod_replset_oplog_head_timestamp) - (avg(mongodb_mongod_replset_member_optime_date{state="PRIMARY"}) - avg(mongodb_mongod_replset_member_optime_date{state="SECONDARY"}))) <= 0'
                 severity: critical
-              - name: MongoDB replication Status 3
-                description: MongoDB Replication set member either perform startup self-checks, or transition from completing a rollback or resync
-                query: "mongodb_mongod_replset_member_state == 3"
-                severity: critical
-              - name: MongoDB replication Status 6
-                description: MongoDB Replication set member as seen from another member of the set, is not yet known
-                query: "mongodb_mongod_replset_member_state == 6"
-                severity: critical
-              - name: MongoDB replication Status 8
-                description: MongoDB Replication set member as seen from another member of the set, is unreachable
-                query: "mongodb_mongod_replset_member_state == 8"
-                severity: critical
-              - name: MongoDB replication Status 9
-                description: MongoDB Replication set member is actively performing a rollback. Data is not available for reads
-                query: "mongodb_mongod_replset_member_state == 9"
-                severity: critical
-              - name: MongoDB replication Status 10
-                description: MongoDB Replication set member was once in a replica set but was subsequently removed
-                query: "mongodb_mongod_replset_member_state == 10"
-                severity: critical
               - name: MongoDB number cursors open
                 description: Too many cursors opened by MongoDB for clients (> 10k)
                 query: 'mongodb_mongod_metrics_cursor_open{state="total"} > 10000'
@@ -576,11 +560,11 @@ groups:
                 severity: warning
               - name: MongoDB too many connections
                 description: Too many connections
-                query: 'mongodb_connections{state="current"} > 500'
+                query: 'avg by(instance) (max_over_time(mongodb_connections{state="current"}[5m])) / avg by(instance) (sum (mongodb_connections) by (instance)) * 100 > 80'
                 severity: warning
               - name: MongoDB virtual memory usage
                 description: High memory usage
-                query: '(sum(mongodb_memory{type="virtual"}) BY (ip) / sum(mongodb_memory{type="mapped"}) BY (ip)) > 3'
+                query: '(sum(mongodb_memory{type="virtual"}) BY (instance) / sum(mongodb_memory{type="mapped"}) BY (instance)) > 3'
                 severity: warning
 
           - name: dcu/mongodb_exporter